Closeup of a black person's muscular arm https://www.rawpixel.com/image/383914/muscular-armView licenseA man whose hands and forearms are exposed against a black background, fingers stretched, revealing less mobility in right… https://www.rawpixel.com/image/13967049/photo-image-background-hand-personFree Image from public domain licenseCloseup of black person's arm https://www.rawpixel.com/image/383882/premium-photo-image-african-american-descent-aloneView licenseTattooed hand of a man oustretched https://www.rawpixel.com/image/86566/premium-photo-image-forearm-arm-artView licenseAttic Black-Figure Amphora Type B by Princeton Painter and Amasis https://www.rawpixel.com/image/14245621/attic-black-figure-amphora-type-princeton-painter-and-amasisFree Image from public domain licenseSeated Hercules in the act of shooting at the stymphalian birds https://www.rawpixel.com/image/12838281/seated-hercules-the-act-shooting-the-stymphalian-birdsFree Image from public domain licenseWilhelm Haack, his hands and forearms exposed against a black background, thumbs pointing towards each other, revealing less… https://www.rawpixel.com/image/13985807/photo-image-background-hand-personFree Image from public domain licenseTwo hands held on either side of a dark mark on a forearm, to demonstrate the manual treatment of ulcers. Photograph. https://www.rawpixel.com/image/14014692/photo-image-hand-person-black-backgroundFree Image from public domain licenseA hand held over a dark mark on a forearm, to demonstrate the manual treatment of ulcers. Photograph. https://www.rawpixel.com/image/13992195/photo-image-hand-person-manFree Image from public domain licenseFriern Hospital, London: a woman suffering from mania, with forearm, hand and finger movements. Photograph, 1890/1910. https://www.rawpixel.com/image/13977517/photo-image-face-hand-personFree Image from public domain license